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Hydrochloric Acid → (1R,2S)-2-{[(3aR,4R,9bR)-4-Phenyl-2,3,3a,4,5,9b-hexahydro-1H-pyrrolo[3,2-c]quinolin-1-yl]carbonyl}cyclohexylamine dihydrochloride

HRID 550260
Notes
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Reaction equation

HRID 550260 reaction equation
[C:1]1([C@H:7]2[C@H:16]3[CH2:17][CH2:18][N:19]([C:20]([C@H:22]4[CH2:27][CH2:26][CH2:25][CH2:24][C@H:23]4[NH:28]C(=O)OC(C)(C)C)=[O:21])[C@H:15]3[C:14]3[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=3[NH:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[ClH:36]>C(OCC)(=O)C.CO>[ClH:36].[ClH:36].[C:1]1([C@H:7]2[C@H:16]3[CH2:17][CH2:18][N:19]([C:20]([C@H:22]4[CH2:27][CH2:26][CH2:25][CH2:24][C@H:23]4[NH2:28])=[O:21])[C@H:15]3[C:14]3[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=3[NH:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 313Hydrochloric AcidHCID 57846948tert-butyl (1R,2S)-2-{[(3aR,4R,9bR)-4-phenyl-2,3,3a,4,5,9b-hexahydro-1H-pyrrolo[3,2-c]quinolin-1-yl]carbonyl}cyclohexylcarbamate

Product 1

HCID 67304459(1R,2S)-2-{[(3aR,4R,9bR)-4-Phenyl-2,3,3a,4,5,9b-hexahydro-1H-pyrrolo[3,2-c]quinolin-1-yl]carbonyl}cyclohexylamine dihydrochlorideYield 90%

Reagents, catalysts & solvents 2

HCID 887Methanol
Solvent
HCID 8857Ethyl AcetateSolvent

Procedure

A mixture of tert-butyl (1R,25)-2-{[(3aR,4R,9bR)-4-phenyl-2,3,3a,4,5,9b-hexahydro-1H-pyrrolo[3,2-c]quinolin-1-yl]carbonyl}cyclohexylcarbamate (2.71 g, 5.7 mmol), a 4N hydrogen chloride in ethyl acetate solution (10 ml) and methanol (30 ml) was stirred overnight at room temperature. The reaction mixture was concentrated under reduced pressure, and the residue was crystallized from ethyl acetate to give the title compound (2.29 g, 90%) as a colorless powder.

Workup

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. customthe residue was crystallized from ethyl acetate

Sources & evidence

ORD record
ord-bd0ae5a86d05448bbc2b3e9cdf2f63a2
Source dataset
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07943770B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes